Method drawBackground

pj_plotting/widget/src/PlotLegend.cpp:110–126

}

void PlotLegend::drawBackground(QPainter* painter, const QRectF& rect) const {
  painter->save();
  QPen pen = textPen();
  QColor border = parent_plot_->canvas()->palette().windowText().color();
  border.setAlphaF(0.4);
  pen.setColor(border);
  painter->setPen(pen);
  QColor background = parent_plot_->palette().window().color();
  if (!background.isValid() || background.alpha() == 0) {
    background = parent_plot_->canvas()->palette().window().color();
  }
  background.setAlphaF(0.4);
  painter->setBrush(background);
  const double radius = borderRadius();
  painter->drawRoundedRect(rect, radius, radius);
  painter->restore();
}

const QwtPlotItem* PlotLegend::itemAt(const QPoint& pos) const {
  const QRect canvas_rect = parent_plot_->canvas()->rect();